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Steroid Receptor Coactivator-2 Drives Epithelial Reprogramming That Enalbles Murine Embryo Implantation

ABSTRACT: Steroid Receptor Coactivator-2 Drives Epithelial Reprogramming That Enalbles Murine Embryo Implantation

PROVIDER: PRJNA996525 | ENA |

REPOSITORIES: ENA

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			Action	DRS
	SRR25340718_1.fastq.gz	Fastqsanger.gz
	SRR25340718_2.fastq.gz	Fastqsanger.gz
	SRR25340719_1.fastq.gz	Fastqsanger.gz
	SRR25340719_2.fastq.gz	Fastqsanger.gz
	SRR25340720_1.fastq.gz	Fastqsanger.gz

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Steroid Receptor Coactivator-2 Drives Epithelial Reprogramming That Enalbles Murine Embryo Implantation

Project description:Using conditional knockout technology, we demonstrate that steroid receptor coactivator-2 (SRC-2) is essential for development of the receptive uterus for embryo implantation. Through bulk RNA-seq analysis, we reveal that endometrial SRC-2 is required for not only the induction of the expression of established genes associated with uterine receptivity but also for the expression of genes involved in endometrial epithelial changes that enable attachment and invasion of the embryo into the underlying stroma. Together, these RNA-seq results underscore the importance of SRC-2 as a transcriptional coregulator in the endometrium during the periimplantation period.

2023-11-20 | GSE237740 | GEO

Continued studies the glycosylation changes in a cell line model of embryo implantation of steroid-exposed and control Ichikawa cells

Project description:This experiment continues our investigation of glycosylation in endometrial epithelium. During the menstrual cycle, estrogen and progesterone sensitise the uterus to the implanting embryo. There is a major expansion of Golgi and secretory function with increases in mucin (MUC1) and the appearance of specific glycans. We are using Ishikawa cells as a model for in vitro implantation, and have shown the presence of steroid receptors and alterations in glycosylation after hormone exposure. We are using Ishikawa cells as a model for in vitro implantation, and have shown the presence of steroid receptors and alterations in glycosylation after hormone exposure. We now wish to profile glycogenes in steroid (E+P) exposed and control cells. We now wish to profile glycogenes in steroid (E+P) exposed and control cells. Steroid conditions are: estradiol (E2 at 10exp -8M) and medroxyprogesterone acetate (MPA at 10 exp -7M)): 24h with E2, followed by E2+MPA for 72h. Cells were grown on plastic or glass.

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Enhancing Uterine Receptivity for Embryo Implantation through Controlled Collagenase Intervention

Project description:Ineffective endometrial matrix remodeling, a key factor in infertility, impedes embryo implantation in the uterine wall. Our study reveals the cellular and molecular impact of human collagenase-1 administration in mouse uteri, demonstrating enhanced embryo implantation rates. Collagenase-1 promotes remodeling of the endometrial extracellular matrix (ECM), degrading collagen fibers and proteoglycans. This process releases matrix-bound bioactive factors, (e.g. VEGF, decorin), facilitating vascular permeability and angiogenesis. Collagenase-1 elevates embryo implantation regulators, including NK cell infiltration and the key cytokine LIF. Remarkably, uterine tissue maintains structural integrity despite reduced endometrial collagen fiber tension. In-utero collagenase-1 application rescues implantation in the heat stress and embryo transfer models, known for low implantation rates. Importantly, ex-vivo exposure of human uterine tissue to collagenase-1 induces collagen de-tensioning and VEGF release, mirroring remodeling observed in mice. Our research highlights collagenase potential to induce and orchestrate cellular and molecular processes enhancing uterine receptivity for effective embryo implantation. This innovative approach underscores ECM remodeling mechanisms critical for embryo implantation

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Steroid Receptor Coactivator-2 Regulated Transcriptome in Human Endometrial Stromal Cells

Project description:RNA-sequencing of mRNA isolated from in vitro decidualizaing human endometrial stromal cells with or without siRNA-mediated knockdown of steroid receptor coactivator-2/nuclear receptor coactivator 2 (SRC-2/NCOA2)

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Coactivator condensation drives lineage specification

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Proteomic profiles of endometrium during embryo implantation

Project description:Endometrial receptivity plays a vital role in the success of embryo implantation. However, the temporal proteomic profile of porcine endometrium during embryo implantation is still unclear. In this study, the expression of proteins in endometrium on days 9, 10, 11, 12, 13, 14, 15 and 18 of pregnancy (D9, 10, 11, 12, 13, 14, 15 and 18) was profiled via iTRAQ technology. The results showed that 25, 55, 103, 91, 100, 120, 149 proteins were up-regulated, and 24, 70, 169, 159, 164, 161, 198 proteins were down-regulated in porcine endometrium on D10, 11, 12, 13, 14, 15 and 18 compared with that on D9, respectively. Among these differentially expressed (DE) proteins, MQM results indicated that S100A9, S100A12, HRG and IFI6 were differentially expressed in endometrial tissues during embryo implantation period. Bioinformatics analysis showed that the proteins differentially expressed in the 8 comparisons (D10 vs D9, D11 vs D9, D12 vs D9, D13 vs D9, D14 vs D9, D15 vs D9 and D18 vs D9) were involved in important processes and pathways related to immunization, endometrial remodeling, which have a vital effect on embryonic implantation. Our results reveal that RBP4 could regulate the cell proliferation, migration and apoptosis of endometrial epithelial cells and endometrial stromal cells to affect embryo implantation. This research also provides resources for studies of proteins in endometrium during early pregnancy.

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Stromal Pbrm1 mediates chromatin remodeling necessary for embryo implantation in mouse uterus [ATAC-Seq]

Project description:Early gestational loss occurs in ~20% of all clinically recognized human pregnancies and is a significant cause of morbidity. Either embryonic or maternal defects can cause loss, but a functioning and receptive uterine endometrium is crucial for embryo implantation. The SWI/SNF remodeling complex containing PBRM1and BRG1 is essential for implantation of the embryonic blastocyst on the wall of the uterus in mice. Although pre-implantation development is unaffected, conditional ablation of Pbrm1 in uterine stromal cells disrupts progesterone pathway and uterine receptivity. Hand2 is a bHLH transcription factor required for embryo implantation. We report a new enhancer of Hand2 in stromal cells that requires PBRM1 for epigenetic histone modifications and coactivator recruitment. In Pbrm1cKO mice, perturbations at the enhancer site compromised Hand2 transcription, disrupts the fibroblast growth factor signaling pathway and prevents normal Stromal- Epithelial crosstalk and embryo implantation. The resultant mutant female mice are infertile and provide insight into potential causes of early pregnancy loss in humans.

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Stromal Pbrm1 mediates chromatin remodeling necessary for embryo implantation in mouse uterus [RNA-Seq]

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